The Letrasets
type: MusicGroup
popularity: 3
followers: 1026
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa290af1515dec1725fbd5cf4e7eff3c0b68faaa94ef89ede7310b8081fff311e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa290af1515dec1725fbd5cf4e7eff3c0b68faaa94ef89ede7310b8081fff311e","name":"The Letrasets","registered_at":"2026-06-21T13:46:34Z","symbol":"NIM1939459","token_address":"0xeeeec87142ce97385f9544f8b39091e7cac2b037","type":"artist","uuid":"f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa290af1515dec1725fbd5cf4e7eff3c0b68faaa94ef89ede7310b8081fff311e. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb.json and https://artists.proofprofile.net/proofs/artist/f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xa290af1515dec1725fbd5cf4e7eff3c0b68faaa94ef89ede7310b8081fff311e","name":"The Letrasets","registered_at":"2026-06-21T13:46:34Z","symbol":"NIM1939459","token_address":"0xeeeec87142ce97385f9544f8b39091e7cac2b037","type":"artist","uuid":"f1a0fc47-0394-41cc-9ce3-d9bf897cdfdb"}
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